Results 11 to 20 of about 2,883 (253)
Focus shaping using cylindrical vector beams
Optics Express, 2002 We report a focus shaping technique using generalized cylindrical vector beams. A generalized cylindrical vector beam can be decomposed into radially polarized and azimuthally polarized components. Such a generalized cylindrical beam can be generated from a radially polarized or an azimuthally polarized light using a two-half-wave-plate polarization ...
Qiwen, Zhan, James, Leger
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Focusing of high numerical aperture cylindrical-vector beams
Optics Express, 2000 Cylindrical-vector beams are of increasing recent interest for their role in novel laser resonators and their applications to electron acceleration and scanning microscopy. In this paper, we calculate cylindrical-vector fields, near the focal region of an aplanatic lens, and briefly discuss some applications.
K, Youngworth, T, Brown
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An interference scheme for generating inhomogeneously polarized laser radiation using a spatial light modulator [PDF]
Компьютерная оптика, 2020 An optical system for converting linearly polarized laser beams into cylindrical vector beams is developed and experimentally investigated. The scheme is based on the coherent addition of mode beams using a Mach-Zehnder interferometer. The simplicity and
Sergei Karpeev +2 more
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Singularities in cylindrical vector beams [PDF]
Journal of Modern Optics, 2015 Cylindrical vector beams with azimuthal and radial polarization distributions are studied for singularities. It is shown experimentally that these beams have screw dislocation as well as edge dislocation at the same time. The relation between phase and polarization of light beam is the key to understand this fact.
Manish Verma +5 more
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Spin-Hall Effect of Cylindrical Vector Vortex Beams
Photonics, 2023 Spin-Hall effect (SHE) of light is one of the main manifestations of the spin-orbit interaction of photons, and has been extensively studied for optical beams with homogeneous polarization.
Xuyao Zhang +4 more
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Polar POLICRYPS diffractive structures generate cylindrical vector beams [PDF]
Applied Physics Letters, 2015 Local shaping of the polarization state of a light beam is appealing for a number of applications. This can be achieved by employing devices containing birefringent materials. In this article, we present one such enables converting a uniformly circularly polarized beam into a cylindrical vector beam (CVB).
Alj D +4 more
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Results in Physics, 2019 The theoretical and experimental investigations of the depolarization of cylindrical vector beams when they propagate into a side non-uniformly pumped isotropic laser medium.
Ce Yang +4 more
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IEEE Photonics Journal, 2018 We propose the generation of high-purity perfect cylindrical vector beams (PCVB) using the Fourier transformation of Bessel–Gauss vector beams.
Prabin Pradhan, Manish Sharma, Bora Ung
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Компьютерная оптика, 2023 We investigate the spin angular momentum (SAM) of two-order cylindrical vector beams at the tight focus. Such beams are a generalization of the conventional cylindrical vector beams since the transverse field components on the Cartesian axes have ...
A.A. Kovalev, V.V. Kotlyar
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Switchable phase and polarization singular beams generation using dielectric metasurfaces
Scientific Reports, 2017 Singular beams which possess helical phase wavefront or spatially inhomogeneous polarization provide new freedom for optical field manipulation. However, conventional schemes to produce the singular beams have difficulty in realizing the flexible switch ...
Yanliang He +7 more
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